storage tanker Vandalia (IX-191), ex-SS Walter Jennings, mobile base storage tanker, wrecked by Typhoon Louise Okinawa October 1945 Flambeau (IX-192), ex-SS S.B. Hunt, mobile base storage tanker Meredosia (IX-193) Killdeer (IX-194), ex-AMc-21 Goshawk (IX-195), ex-AM-79 Spark (IX-196), ex-LST-340 Mariveles (IX-197) Cohasset (IX-198), ex-LST-129 Barcleo (IX-199), ex-AMb-17, ex-YP-375 Maratanza (IX-200), ex-YP-448 Sterling (IX-201), ex-YP-449 Liberator (IX-202), ex-AMc-87 Agile (IX-203), ex-AMc-111 Allioth (IX-204), ex-AK-109, mobile base aviation stores ship, later AVS-4 Callao (IX-205), German icebreaker war prize Externsteine Chocura (IX-206), ex-PC-452 Big Horn (IX-207), ex-AO-45, Q-ship (armed decoy) Domino (IX-208), mobile base dry storage, not acquired Seaward (IX-209), ex-LST-278 Sea Foam (IX-210), mobile base storage tanker Castine (IX-211), ex-PC-452, experimental engine IX-212, ex-LCI(G)-396 Serapis (IX-213), ex-SS District of Columbia, mobile base storage tanker Yucca (IX-214), ex-SS Utacarbon Don Marquis (IX-215), mobile base dry storage Unicoi (IX-216), mobile base dry storage Tackle (IX-217), ex-ARST-4 Gardoqui (IX-218), mobile base storage tanker Eureka (IX-221), ex-PC-488 Pegasus (IX-222), ex-AK-48, mobile base dry storage Triana (IX-223), mobile base dry storage Aide de Camp (IX-224), sonar research, converted yacht Harcourt (IX-225) Araner (IX-226) Gamage (IX-227) - same ship as Inca (IX-229) Justin (IX-228) Inca (IX-229), mobile base dry storage Tapacola (IX-230), ex-AMc-54, target tug Stalwart (IX-231), ex-AMc-105, target tug Summit (IX-232), ex-AMc-106, target tug , sonar test schooner , German racing yacht war prize , Naval Academy yacht IX-236 through IX-299 unused Prinz Eugen (IX-300), German cruiser war prize Dithmarschen (IX-301), German replenishment oiler war prize, later USS Conecuh (AO-110 / AOR-110) Atlanta (IX-304), ex-CL-104, weapons effects test ship Prowess (IX-305), ex-AM-280, ex-MSF-280, training ship USS IX-306, ex-US Army FS-221 Brier (IX-307), ex-WLI-299 New Bedford (IX-308), ex-US Army FS-289, ex-AKL-17, Texas Towers support ship, torpedo testing Monob One (IX-309), ex-YW-87, later YAG-61 USS IX-310, sonar test barge Benewah (IX-311), ex-APB-35 Horst Wessel (IX-327), German barque war prize, later USCGC Eagle (WIX-327) IX-328 through IX-500 unused Elk River (IX-501), ex-LSM-501, ex-LSMR-501, barracks ship Mercer (IX-502), ex-APB-39 Nueces (IX-503), ex-APB-40 , ex-APL-37, ex-APB-37 IX-505, ex-YTM-759 IX-506, ex-YFU-82 , ex-AP-121 Orca (IX-508), ex-LCU-1618, ROV/AUV test support USS Underwater Explosives Barge Number 1 (IX-509) USS IX-510, ex-T-AP-127, barracks hulk USS IX-511, ex-LST-399 IX-512, ex-US Army BD 6651 IX-513, EMPRESS II (Electromagnetic Pulse Environment Simulator for Ships) Baylander (IX-514), ex-YFU-79, 1986 conversion to a helicopter Landing Ship for pilot training, nicknamed the "world's smallest aircraft carrier" IX-515, ex-WSES-1 (surface effect ship) IX-516, 3-story classroom Trident missile training barge Gosport (IX-517), ex-Pacific Escort, ex-Thomas